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Individual Calculations November 2019 |
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| Davari, Sara Total change: -41.60 | |   |
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| Iranian Youth Chess Championship (Girls U12_1398) | Qhazvin | IRI | 2019-09-28 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1162 | 1498 | 1.00 | 3 | -1.64 | 40 | -65.60 | |
|  Taj Dini, Hasti | | | 1164 | IRI | 0.50 | 1 | -0.38 | 40 | -15.20 | |  Saedi, Dorsa | | | 1129 | IRI | 0.50 | 1 | -0.40 | 40 | -16.00 | | | Farhadi, Fatemeh | | | 1193 | IRI | 0.00 | 1 | -0.86 | 40 | -34.40 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 7th Qazvin Youth League 1398 | Qazvin | IRI | 2019-10-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1580 | 1546 | 2.50 | 4 | 0.60 | 40 | 24.00 | |
| | Safari, Sina | | | 1282 | IRI | 1.00 | 1 | 0.18 | 40 | 7.20 | | | Mahdavi, Reza | | | 1946 * | IRI | 0.50 | 1 | 0.42 | 40 | 16.80 | | | Izady, Mohammad | | | 1946 * | IRI | 0.00 | 1 | -0.08 | 40 | -3.20 | | | Nasiri, Abolfazl | | | 1146 * | IRI | 1.00 | 1 | 0.08 | 40 | 3.20 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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